Two reasons:
1) The interior angles of a parallelogram aren't necessarily 90 degrees.
2) All fours side are not necessarily equal in a parallelogram (we are only guaranteed two pairs of equal sides.
Note that all squares are parallelograms, though.
Chat with our AI personalities
No.But every square is a parallelogram.
Although they have different properties a square and a parallelogram are both classed as 4 sided quadrilaterals.
Yes a parallelogram with a right angle is a square.
A parallelogram that is not a square is any parallelogram whose angles are not ninety degrees or whose opposite sides are not equal.
The answer is 2 A parallelogram that is not a square is 2. A rectangle that is not a square is 2. A square is 4. A rhombus if not a square is 2. A kite is 1. A trapezium that is not a parallelogram is 1.